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An integrated syste...
An integrated system for energy-efficient exhaust aftertreatment for heavy-duty vehicles
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- DAWODY, JAZAER, 1959 (author)
- Volvo Cars
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- Andersson, Lennart (author)
- Volvo Cars
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- Pettersson, Lars (author)
- KTH
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- Granlund, Moa Ziethèn (author)
- Kungliga Tekniska Högskolan (KTH),Royal Institute of Technology (KTH)
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- Härelind, Hanna, 1973 (author)
- Chalmers tekniska högskola,Chalmers University of Technology
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- Gunnarsson, Fredrik, 1983 (author)
- Chalmers tekniska högskola,Chalmers University of Technology
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- Palmqvist, Anders, 1966 (author)
- Chalmers tekniska högskola,Chalmers University of Technology
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- Heijl, Richard, 1984 (author)
- Chalmers tekniska högskola,Chalmers University of Technology
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- Andersson, Ronnie, 1975 (author)
- Chalmers tekniska högskola,Chalmers University of Technology
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- Högblom, Olle, 1983 (author)
- Chalmers tekniska högskola,Chalmers University of Technology
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Holmgren, Lennart (author)
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- Larsson, Per Olof (author)
- Höganäs AB
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- Andreasson, Fredrik (author)
- Alfa Laval Lund AB
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(creator_code:org_t)
- 2015-09-10
- 2015
- English.
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In: Renewable Energy in the Service of Mankind. - Cham : Springer International Publishing. - 9783319177779 - 9783319177762 ; , s. 133-143
- Related links:
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https://doi.org/10.1...
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https://research.cha...
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https://urn.kb.se/re...
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Abstract
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- © Springer International Publishing Switzerland 2015. This chapter presents a unique system approach applied in a joint academic- industrial research programme, E4 Mistra, to attain the goals of high energy efficiency and low emissions in an exhaust aftertreatment system for heavy-duty vehicles. The high energy efficiency is achieved by heat recuperation, onboard hydrogen production for NOx reduction, and by finding new solutions for making the aftertreatment system active at low exhaust temperatures. To reach low particulate emissions, a mechanical filter using a sintered metal powder is developed and coated with catalytic material to improve the soot oxidation efficiency. Low NOx emissions are achieved by an efficient NOx reduction catalyst. The integrated E4 Mistra system comprises four technological advances: thermoelectric (TE) materials for heat recuperation, catalytic reduction of NOx over innovative catalyst substrates using either the onboard diesel or biodiesel, H2 from a high-efficiency fuel reformer, and particulate filtration over a porous metal filter. The TE materials are used in a TE generator (TEG) which converts thermal energy into electricity. The TEG is used to recuperate heat from the exhaust-gas recirculation (EGR) circuit of heavy-duty trucks and is expected to generate ~1 kW electric power from 20 kW heat in the exhaust gas. The TEG is integrated in a plate heat exchanger (HEX) designed particularly for this application. Apart from the knowledge and experiences in TEG and heat exchange technologies, a thorough fluid dynamics and TE analysis are performed in this project to understand the governing processes and optimize the system accordingly. The components of the E4 Mistra system are explained in the chapter in addition to test results, which show the system's capacity for H2 production, NOx conversion, particulate matter filtration and soot oxidation, and finally electric power generation via heat recuperation from the exhaust gas using the developed TEG-HEX system.
Subject headings
- TEKNIK OCH TEKNOLOGIER -- Maskinteknik -- Energiteknik (hsv//swe)
- ENGINEERING AND TECHNOLOGY -- Mechanical Engineering -- Energy Engineering (hsv//eng)
- TEKNIK OCH TEKNOLOGIER -- Kemiteknik -- Kemiska processer (hsv//swe)
- ENGINEERING AND TECHNOLOGY -- Chemical Engineering -- Chemical Process Engineering (hsv//eng)
- TEKNIK OCH TEKNOLOGIER -- Naturresursteknik -- Energisystem (hsv//swe)
- ENGINEERING AND TECHNOLOGY -- Environmental Engineering -- Energy Systems (hsv//eng)
Keyword
- Emission control
- Hydrogen production
- Energy efficiency
- Thermoelectric generators
Publication and Content Type
- kap (subject category)
- vet (subject category)
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DAWODY, JAZAER, ...
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Andersson, Lenna ...
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Pettersson, Lars
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Granlund, Moa Zi ...
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Härelind, Hanna, ...
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Gunnarsson, Fred ...
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Palmqvist, Ander ...
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Heijl, Richard, ...
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Andersson, Ronni ...
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Högblom, Olle, 1 ...
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Holmgren, Lennar ...
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- About the subject
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- ENGINEERING AND TECHNOLOGY
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ENGINEERING AND ...
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and Mechanical Engin ...
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and Energy Engineeri ...
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- ENGINEERING AND TECHNOLOGY
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ENGINEERING AND ...
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and Chemical Enginee ...
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and Chemical Process ...
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ENGINEERING AND ...
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and Environmental En ...
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and Energy Systems
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Renewable Energy ...
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Chalmers University of Technology
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Royal Institute of Technology